57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# Copyright (C) 2014-2015 Andrey Antukh <niwi@niwi.be>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import threading
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_local = threading.local()
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_local.session_id = None
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def get_current_session_id() -> str:
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"""
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Get current session id for current
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request.
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This function should be used only whithin
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request context. Out of request context
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it always return None
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"""
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global _local
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if not hasattr(_local, "session_id"):
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raise RuntimeError("No session identifier is found, "
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"are you sure that session id middleware "
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"is active?")
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return _local.session_id
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class SessionIDMiddleware(object):
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"""
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Middleware for extract and store a current web sesion
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identifier to thread local storage (that only avaliable for
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current thread).
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"""
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def process_request(self, request):
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global _local
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session_id = request.META.get("HTTP_X_SESSION_ID", None)
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_local.session_id = session_id
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request.session_id = session_id
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def process_response(self, request, response):
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global _local
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_local.session_id = None
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return response
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